Allen-Bradley PowerFlex 525 User Manual page 48

Chapter 2 Start Up
48
4. Verify that the Sink (SNK)/Source (SRC) jumper is set to match your
control wiring scheme. See the
page 32 for location.
The default control scheme is Source (SRC). The Stop terminal is jumpered to
IMPORTANT
allow starting from the keypad or comms. If the control scheme is changed to
Sink (SNK), the jumper must be removed from I/O Terminals 01 and 11 and
installed between I/O Terminals 01 and 04.
5. Verify that the Stop input is present or the drive will not start.
If I/O Terminal 01 is used as a stop input, the jumper between I/O Terminals 01
IMPORTANT
and 11 must be removed.
Applying Power to the Drive
6. Apply AC power and control voltages to the drive.
Start, Stop, Direction and Speed Control
Factory default parameter values allow the drive to be controlled from the
keypad. No programming is required to start, stop, change direction and control
speed directly from the keypad.
To disable reverse operation, see A544 [Reverse Disable].
IMPORTANT
If a fault appears on power up, see
explanation of the fault code.
Variable Torque Fan/Pump Applications
For improved motor tuning performance when using a premium efficient motor
on a variable torque loading SVC mode, set A530 [Boost Select] to 2 "35.0, VT".
Rockwell Automation Publication 520-UM001A-EN-E - February 2013
Control I/O Wiring Block Diagram on
Fault Descriptions on page 135 for an